The energy yield as a result of the total oxidation of one glucose molecule during cellular respiration is to convert:
Correct answer: C. 38 molecules of ADP into 38 molecules of ATP
- A. 34 molecules of ADP into 34 molecules of ATP
- B. 30 molecules of ADP into 30 molecules of ATP
- C. 38 molecules of ADP into 38 molecules of ATP
- D. 32 molecules of ADP into 32 molecules of ATP
Explanation
Option A: 34 ADP into 34 ATP. This is incorrect because the actual yield of ATP from the oxidation of one glucose molecule is less than 34.Option B: 30 ADP into 30 ATP. This is incorrect because the actual yield of ATP from the oxidation of one glucose molecule is less than 30.Option C: 38 ADP into 38 ATP. This is the correct answer. The theoretical maximum yield of ATP from the oxidation of one glucose molecule is 38.Option D: 32 molecules of ADP into 32 molecules of ATP. This is incorrect because the actual yield of ATP from the oxidation of one glucose molecule is less than 32.
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About Bioenergetics
Cellular respiration explains how cells release energy from glucose through glycolysis, the link reaction, Krebs cycle and electron transport chain. It includes ATP production, substrate-level and oxidative phosphorylation, aerobic versus anaerobic respiration, and the roles of mitochondria, oxygen and fermentation in energy transfer.
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